IP/CIDR Calculator

Parse an IPv4 CIDR block into network, broadcast, mask, host range, and count.

CIDR notation

Network

192.168.1.0

Broadcast

192.168.1.255

Subnet Mask

255.255.255.0

First Host

192.168.1.1

Last Host

192.168.1.254

Host Count

254

Prefix

/24

Private RangeYes